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BL983327-1 EC Mini Controller upto 10.00 mS/cm, 230V
1 × ฿13,910.00
Subtotal: ฿13,910.00
Calibration Standard for HI 700 Checker HC ®
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The HI 764 Checker®HC is extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI 764 Checker®HC, press the button and read the results. It’s that easy.
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Range 0-999 ppb | ASTM Method D1687-92 diphenylcarbonate | Resolution 1 ppb
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Range 0.0 - 30.0 ppm | amino acid method | Resolution 0.1ppm
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Range 0.0 - 15 ppm | Molybdenum Blue Method | 0.1ppm resolution
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Range 0.0 - 99.9 ppm NH3-N | Nessler Method | 0.1ppm resolution
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Range 0.0 - 8.0 ppm | DPD method | Resolution 0.1ppm
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Range 0 - 150 ppm | ferrous sulfate method | Resolution 1ppm
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The HI 761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.